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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 67751. |
(((-5/12)^3)^4*((-5/12)^6)^4)/((-5/12)^2)^2 |
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| 67752. |
एम रद 96 - X |
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| 67753. |
Q.1L.A dealer bought two tables for Rs3120. He sold one of them at a loss of 15%and other at a gain of 36%. He then foundthat each table was being sold for the same |
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| 67754. |
6. A carpenter made 5 similar tables in 12 h 30 min 15 sec.How long did it take him to make 1 table? |
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Answer» Time required to made 5 tables = 12 hr 30 min 15 sec= 12*60*60 + 30*60 + 15= 43200 + 1800 + 15= 45015 sec Then, time required to made one chair = 45015/5= 9003 sec = 7200 + 1800 + 3= 7200/3600 + 1800/60 + 3= 2 hr 30 min 3 sec |
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| 67755. |
12 96 x 7 84 324 31.36X |
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Answer» If you like the solution, Please give it a 👍 |
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| 67756. |
hd five rational numbers between candun |
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| 67757. |
. In a AABC, it is given that ADis the internal bisector of ZAIf AB 10 cm, AC 14 cm andBC 6 cm, then CD-?(a) 4.8 cm(b) 3.5 cm(c) 7 cm(d) 10.5 cnm |
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| 67758. |
13. In the given figure, ABCDis a quadrilateral, DR Cwhose diagonalsintersect at right sangles. Show thatthe quadrilateral Aformed by joiningthe mid-points of the pairs of adjacentsides is a rectangle. |
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| 67759. |
L Draw different pairs of circles. How many points does each pair have in commWhat is the maximum number of common points? |
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| 67760. |
8. In Fig. 1 ABCD is a rectangle. Find the value of.xof and y.x-y14 cm30 cm B |
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| 67761. |
Example 2:how that the triangle with vertices A (-3, 1), B (5, 4) and C (0,-7) is isosceles andright angled, having arca equal to 7 sq units.By distance formula,2 |
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| 67762. |
10. In the Fig., if O is the centre, thenarea of the shaded region is14 cm(a) 262 cm2462 cm2(b) 360 cm2(d) 382 cm27 cm |
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Answer» please like my answer if you find it useful |
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| 67763. |
Find the length of the perpendicular from the origin to the line4x + 3y - 2 = 0(a) * units(6) į unitscon ta units (0) ; unitsunitsunits |
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Answer» My Answer (c) 1/2 right |
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| 67764. |
((-4)/5)^6/((-4)/5)^(2*m)=((-4)/5)^3 |
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| 67765. |
Name:Directions: Label base and height for all polygons. The151210formula:expression:area w/units:A square has a side length of 5 cm. What is its area?Draw a picture and show all of your work. |
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Answer» area of ractangle= length*breath=15*10=150 sq unit∆is rt angle(hypothesis)^2=(perpendicular)^2+(base)^2(15)^2=(12)^2+x^2225-144=x^281=x^2√81=x9=xarea of ∆= 1/2base*height =1/2*9*12 =54 sq unit |
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| 67766. |
Draw different pairs of circles. How many points does each pair have in common!What is the maximum number of common points?1.nstruction to find its centre. |
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| 67767. |
Akinyi bought 6 tables atsh 8 000 each. One table broke onthe way. She sold the remainingtables making 10% profit. At whatprice did she sell each of theremaining tables? |
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| 67768. |
. Draw different pairs of circles. How many points does each pair have in commo//'What is the maximum number of common points? |
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| 67769. |
Draw different pairs of circles. How many points does each pair have in commoWhat is the maximum number of common points? |
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| 67770. |
What is uncertainity in location of a photon of wavelength 5000A if wavelength is known to an accuracyof 1 pm?(A) 7.96 x 10^-14m (B) 0.02 m(C)3.9 x10^-8m (D) none |
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| 67771. |
5. The inside perimeter of a running track (shown in Fig. 20.24) is 400m. The length efIf track iseach of the straight portion is 90 m and the ends are semi-cireles.everywhere 14 m wide, find the area of the track. Also, find the length of the outerrunning track.D-10 cm8 cm90 m: 10 cm6 cm14 mFig. 20.25Fig. 20.24 |
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| 67772. |
Draw different pairs of circles. How many points does each pair have in comnWhat is the maximum number of common points? |
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| 67773. |
\frac{6-4 \sqrt{3}}{6+4 \sqrt{3}} |
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| 67774. |
In Fig. (D. ABC is a triangle in which 2B-90.BC48 cm and AB-14 cm. Acircle is inseribed in the triangle, whose centre is O. Find radius r of in-circle18 cma b14 cmFig. 1 |
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| 67775. |
km4 6 5-4 35 6 4 |
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Answer» km m 86 465 -43 564=42 901 |
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| 67776. |
Thecost of notorcycles?49137 and that of a car is?2.15çżHow muchmore doesthe car cost than the motorcycle?Alan has 8 lakh rupees with him He ww |
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Answer» Thanks |
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| 67777. |
d price = ? 1700, selling price = て 1540 then find the discount. |
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Answer» Discount= Marked Price - Selling price Discount= 1700-1540= Rs 160. Discount%= 160*100/1700= 9.41% |
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| 67778. |
1. Aviinash bought a painting at5100 and sold it for62753, Find his gain%.hought a wwatch for8000 and sold it at7600 |
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| 67779. |
Malik sells two tables for 3000 each. He gains 20% on one table and on theother he loses 20%. Find his gain or loss percent on the whole transaction. |
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Answer» Ist casesp of one table =3000gain=20%cp=(100/100+profit)×sp=(100/100+20%)×sp=(100/120)×3000=2500second case Sp of second table =3000lose=20%cp=(100/100-lose)×sp=(100/100-20%)×3000=(100/80)×300=3750NowTotal sp =3000+3000=6000Total cp =2500+3750=6250lose =cp-sp 6250-6000=250Lose %=lose/cp×100=250/6250×100=4% answer |
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| 67780. |
find cost price if selling price =200and loss oercent =50% |
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| 67781. |
2. Find the marked price when(a) Selling price =511.50, discount = 7% |
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Answer» thanks |
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| 67782. |
Represent the following statements in mathematical terms.a) 270 m above sea level b) Profit of 715500no |
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Answer» 270 m blow sea level +270+1550 is the correct answer of the given question |
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| 67783. |
Example 1. Find the volume of a cuboidwhose length is 8 em, breadth is 6 cm and heightÄ°s 4 cm. |
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Answer» Given cuboid length l = 8 cm, breadth b = 6 cm, height h = 4 cm Volume of cuboid= l*b*h= 8*6*4= 192 cm^3 |
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| 67784. |
Exercise 13.4Find and correct the errors in the following mathematical statement1. 4(x -5) 4x 52. x(3 x+2)=3 x^{2}+23. 2x |
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| 67785. |
EXERCISE 10.3What is the maximum number of common pointserent pairs of circles. How many points doeseach pair have in c2. Suppose you are given a circle. Give a construction to find its centre.ir centres lie on the peCD of |
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| 67786. |
Example 4.6Find the TSA and LSA of a cuboid whose length, breadth and heightare 7.5 m, 3e and S m respectively |
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Answer» lenght of cuboid =7.5breadth of cuboid=3cmheight of cuboid =5cmwe knowT.S.A of a cuboid =2(lb+bh+lh)now,2(7.5*3+3*5+7.5*5)=2(22.5+15+37.5)2*75= 150 |
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| 67787. |
36. Four equal circles are described about the fourcorners of a square so that each touches two ofthe others, as shown in the figure. Find the areaof the shaded region, if each side of the squareCBSE 2007]90 4 90measures 14 cm. |
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| 67788. |
Twelve persons mnumber of hand-shakes.alltheothers.Findthenumber of hand ahk iroo and euch shake hands with |
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Answer» Let’s imagine that there are 5 people at the conference.Person #1 can shake hands with #2, #3, #4 and #5. Person #2 can shake hands with the latter three (they can’t shake with #1, as they’ve already shaken hands.) Person #3 can shake with #4 and #5, and Person #4 can only shake with #5.That means that with five people, the number of handshakes is 4 + 3 + 2 + 1 = 10 handshakes.Now we’ll scale it up.12 people shaking hands, so 11 + 10 + 9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1 = 66 handshakes |
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| 67789. |
by widhout tinding prime factors. (hrough Estimation)4 group of students went on picnic, half of them were busy in cooking, one-third were 3wandering and the remaining 14 were playing kabbadi nearby. Find the total number ofstudents went on pienie. |
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Answer» 1/2 were busy cooking1/3rd wanderinglet total number be Xhence1/2x+1/3x+14=X5x/6+14=X14=x-5x/614=X/6X=14*6=84 |
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| 67790. |
1.Find the unit vector parallel to the resultant of the vectors A = 4i + 31 + 6k and B =-i + 3j-8k |
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| 67791. |
(e) Find a vector parallel to the given vector 5i-j+2k.and its magnitude is 8 unit. LAns. tany + loglal-c] 5and -3i+j-4k are |
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Answer» unit vector along 5î - ĵ +2k̂ will be (5î - ĵ +2k̂)/| 5î - ĵ +2k ̂| = (5î - ĵ +2k̂)/√30 So required vector = 8*(5î - ĵ +2k̂)/√30 |
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| 67792. |
By selling an article forTo. Find the cost price of the article.240, Nilesh gains 20%. Find his profit% if he sells it for? 272. |
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Answer» hit like if you find it useful |
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| 67793. |
find selling price of a article that is bought ruppes 540 and sold at a loss of 65.50 |
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Answer» CP = 540Loss = 65.5 SP = CP - Loss = 540 - 65.5 = 474.5 |
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| 67794. |
Avinash bought a painting at ruppes 5100 and sold it for ruppes 62753.Find the gain percentage. |
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Answer» CP = 5100 SP = 62753 GAIN PERCENTAGE = (SP-CP)*100/CP = (62753-5100)*100/5100 = 57653/51 = 1130.45% If you find this answer helpful then like it. |
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| 67795. |
Alan has 8 lakh rupees with him. He boys aPlot for F 7.62,000, How much Monry has he Now. |
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Answer» 800000-762000=38000rs. 38000 rupees is the correct answer |
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| 67796. |
Find the errors and correct the following mathematical sentences(i) 36x-9) 3x-9(ii) x(3x +2) 3x2+2 |
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Answer» i] 3(x-9)=3x-27ii]. x(3x+2)=3x^2+2x |
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| 67797. |
6 find the volume of a cube with side 1 m 60 cm.7 Find the volume of a cuboid whose length is 1 m |
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| 67798. |
digif nümbersul ui7 textbook)Square of a SumWhat is 512?We have seen how we can find this without actual multiplication,in clas-(The section, Next square of the lesson, Square and Square RoosAccording to this, we need only add 50 and 51 to 50 |
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Answer» 51^2=(50+1)^2=50^2+2*50*1+1^2=2500+100+1=2601 |
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| 67799. |
four equal circles are described about four corners of square so that each circle touches two of the others find area of space enclosed between of the the circumference of the circles each side of square measuring 24cm |
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Answer» Shaded area = area of square - sum ofareasof 4 quadrantsLet the radius of circle be r cmthen side of square will be 2r cmA/q24 =(2r)² - 4×(1/4)×πr² =4r² - 22/7 r²⇒24/ = 6r²/7⇒r² =28⇒r =√28cmhence , the radius of each circle is 5.29 cm |
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| 67800. |
When Marvin wentbowling, his scores were110,93, and 146.If he bowls a 4th game, whatwill his score need to be togive him an averageof 115? |
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Answer» 110+93+146+x=115×4249+x=460x=211 |
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